How do Plants Make Their Food? Preparation of Food in Leaves - Free Printable

Part A: Fill in the blanks

We will use the provided words to fill in the blanks. Let's go through each question step by step:

#### 1. When Vaseline is applied to a leaf, it blocks the _________.
- Explanation: Vaseline is a waxy substance that can block the stomata (tiny pores on the leaf surface) through which plants exchange gases (e.g., CO₂ and O₂).
- Answer: stomata

#### 2. Spinach, peas, and banana are _________ plant parts.
- Explanation: Spinach is a leafy vegetable, peas are seeds or pods, and bananas are fruits. All of these are edible parts of plants.
- Answer: edible

#### 3. The upper side of the leaf is _________ and _________ in colour.
- Explanation: The upper side of a leaf is typically smooth and has a lighter color due to the distribution of chloroplasts and other structural features.
- Answer: Smooth, light

#### 4. Plants make food using energy from the _________.
- Explanation: Plants use sunlight as the primary source of energy for photosynthesis.
- Answer: sun

#### 5. _________ grow on tree trunks.
- Explanation: Bracket fungi are known to grow on tree trunks.
- Answer: Bracket fungi

#### 6. The lower side of a leaf is _________ and _________ in colour.
- Explanation: The lower side of a leaf is usually rougher in texture and darker in color compared to the upper side.
- Answer: Rough, dark

#### 7. The process by which plants prepare food is called _________.
- Explanation: The process by which plants make their own food using sunlight, water, and carbon dioxide is called photosynthesis.
- Answer: photosynthesis

#### 8. Leaves appear green due to the presence of _________.
- Explanation: Chlorophyll is the green pigment in leaves that helps capture light energy for photosynthesis.
- Answer: chlorophyll

#### 9. Plants prepare food in the form of _________.
- Explanation: During photosynthesis, plants produce glucose as their primary food source.
- Answer: glucose

#### 10. Living things that can produce their own food are called _________.
- Explanation: Organisms that can produce their own food using sunlight (like plants) are called autotrophs.
- Answer: autotrophs

Final Answers for Part A:

1. stomata
2. edible
3. Smooth, light
4. sun
5. Bracket fungi
6. Rough, dark
7. photosynthesis
8. chlorophyll
9. glucose
10. autotrophs

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Part B: Match the following

We need to match items in Column A with the corresponding items in Column B.

#### 1. Animals
- Explanation: Animals cannot produce their own food and rely on other organisms for nutrition. They are heterotrophs.
- Match: d. Heterotrophs

#### 2. Chlorophyll
- Explanation: Chlorophyll is the green pigment found in leaves that gives them their green color.
- Match: c. Green substance

#### 3. Sugarcane
- Explanation: Sugarcane is a plant whose stem is commonly eaten.
- Match: e. Stem we eat

#### 4. Methi
- Explanation: Methi (fenugreek) is a plant whose leaves are commonly used as a vegetable.
- Match: b. Leaves we eat

#### 5. Leaf apex
- Explanation: The leaf apex refers to the tip of a leaf.
- Match: a. Tip of a leaf

Final Matches for Part B:

1. Animals → d. Heterotrophs
2. Chlorophyll → c. Green substance
3. Sugarcane → e. Stem we eat
4. Methi → b. Leaves we eat
5. Leaf apex → a. Tip of a leaf

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Summary of Answers:

#### Part A: Fill in the blanks
1. stomata
2. edible
3. Smooth, light
4. sun
5. Bracket fungi
6. Rough, dark
7. photosynthesis
8. chlorophyll
9. glucose
10. autotrophs

#### Part B: Match the following
1. Animals → d. Heterotrophs
2. Chlorophyll → c. Green substance
3. Sugarcane → e. Stem we eat
4. Methi → b. Leaves we eat
5. Leaf apex → a. Tip of a leaf

Final Answer:
\boxed{
\text{Part A: 1. stomata, 2. edible, 3. Smooth, light, 4. sun, 5. Bracket fungi, 6. Rough, dark, 7. photosynthesis, 8. chlorophyll, 9. glucose, 10. autotrophs}
\text{Part B: 1. d, 2. c, 3. e, 4. b, 5. a}
}